提出 #75217

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ソースコード 拡げる

#include <stdio.h>
int main(void){
	int c;
	unsigned long int in[101][3];
	int i, j, k;
	unsigned long int big[3] = {0,0,0}, t=0;
	
	// input and sort and check
	scanf("%d", &c);
	if(c<1 || c>100) return 0;
	for(i=0; i<c; i++){
		scanf(" %lu%lu%lu", &in[i][0], &in[i][1], &in[i][2]);
		for(j=0;j<2;j++){for(k=j+1;k<3;k++){
			if(in[i][j] > in[i][k]){
				t = in[i][j];
				in[i][j] = in[i][k];
				in[i][k] = t;
			}
		}}
		for(j=0; j<3; j++){
			if(big[j] < in[i][j]){big[j] = in[i][j];}
		}
	}
	
	printf("%lu\n", big[0]*big[1]*big[2]);
	return 0;
}

提出情報

コンパイルエラー

./Main.c: In function ‘main’:
./Main.c:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result
./Main.c:12: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result

ジャッジ結果